Phone Cable, RJ11 (6P4C), Straight - 4 Lengths Available for data - Monoprice
1st: are those cables in-wall rated (that can be install inside the walls)?(http://www.primecables.com/p-314005-cab-928-all-phone-cable-rj11-6p4c-straight-4-lengths-available-for-data-monoprice#sku314006)
2nd: can I use those phone cables for my DSL modem (to get a connection to internet)?
3rd: can I use a RJ-12 Keystone Jack to replace my old r11 jacks (to connect a phone to it)? http://www.primecables.com/p-322062-cab-7296-rj-12-110-type-90-keystone-jack-white-monoprice
4th: if so. do I only punch down the red and green wires to the r12 jack?
let me know,
The answer for your above listed questions :